Question: Suppose a first/second-generation router has a bus with bandwidth equal to 40 GBPS. How many 2 GBPS lines can be handled in it for the

Suppose a first/second-generation router has a bus with bandwidth equal to

40 GBPS. How many 2 GBPS lines can be handled in it for the following case?

a.

The incoming packets are copied into memory and then processed by the

main processor.

b.

The incoming packets are completely processed on the interface cards

and then transferred to the right outgoing interface card using DMA.

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